chassishandler: move get POH counter to new API

Rewritten "Get POH counter" command to use the newly
introduced IPMI provider API.

Tested:
verified using ipmitool chassis poh
ipmitool chassis poh
POH Counter  : 1 days, 6 hours // Response

Change-Id: Ife250269da19e511783f1a0cf1298a366f3c2728
Signed-off-by: anil kumar appana <anil.kumarx.appana@intel.com>
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>
1 file changed